Answer / g naresh redddy

np3 is used for heavy duty not too heavy but greater than np2 and also thickness is greater to np2 np3 can b used for culverts wher less trafffic is ther

Answer / dinesh singh bisht

NP 3 thickness greater Than Np2 Pipe

Answer / yogesh kondalkar

1) Major difference is strength of pipe. NP3 pipe is capable to take more load. NP3 pipe used where where load on pipe more and laid at shallow depth. NORMALLY USED FOR SANITARY AND SEWARAGE DRAINAGE PURPOSE

Answer / sudhir

the main difference between np2, np3 and np4 rcc pipes are: np2 is low quality pipes , np3 is medium quality pipes and np4 is higher quality pipes. means np2 strength is low np3 medium and np4 good, but mainly contacter used np2 class pipes because they are available any where and low cast.

Answer / modipraveen

Those are Non Pressure 2 and Non Pressure 3

Answer / kunal patil

NP 2 CLASS PIPE USED FOR BELL MOUTH JOINTS FOR PASSING ELECTRIC CABLES BY SOFISTICALLY THROUGH IT AND NP3 CLASS PIPE USED FOR COLLER TYPE JOINTS NORMALLY USED FOR SANITARY AND SEWARAGE DRAINAGE PURPOSE

Answer / venkatesh

Np2 class pipe having bellmouth joint and np3 classpipe

Answer / ramakrishna

NP2 class pipe having bellmouth joint and NP3 classpipe
having coller joint for jointing two pipes

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